WO2021026762A1 - Cardan portatif - Google Patents

Cardan portatif Download PDF

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Publication number
WO2021026762A1
WO2021026762A1 PCT/CN2019/100361 CN2019100361W WO2021026762A1 WO 2021026762 A1 WO2021026762 A1 WO 2021026762A1 CN 2019100361 W CN2019100361 W CN 2019100361W WO 2021026762 A1 WO2021026762 A1 WO 2021026762A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting arm
tilt
rotating shaft
handle
handheld pan
Prior art date
Application number
PCT/CN2019/100361
Other languages
English (en)
Chinese (zh)
Inventor
赵天菲
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to CN201980007807.9A priority Critical patent/CN111699339B/zh
Priority to PCT/CN2019/100361 priority patent/WO2021026762A1/fr
Publication of WO2021026762A1 publication Critical patent/WO2021026762A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement

Definitions

  • This application relates to the technical field of pan-tilts, and specifically relates to a handheld pan-tilt.
  • the conventional handheld mobile phone pan/tilt is generally a three-axis pan/tilt, including three motors, which are the pitch axis (Pitch axis) motor that controls the pitch movement, the translation axis (YAW axis) motor that controls the translation movement, and the roll that controls the roll movement. Shaft (Roll shaft) motor, used for stabilization of mobile phone shooting.
  • the conventional handheld mobile phone PTZ does not have the folding function and is large in size, which is not convenient for storage and carrying.
  • an embodiment of the present application provides a handheld pan/tilt with folding function, which can reduce the volume and is convenient for storage and carrying.
  • the embodiment of the present application provides a handheld PTZ, including:
  • a handle having a top, a bottom and a side wall between the top and the bottom;
  • the first shaft assembly includes a first rotating shaft provided on the top of the handle and a first connecting arm connected with the first rotating shaft;
  • the torsion member is arranged on the first connecting arm
  • the second shaft assembly includes a second rotating shaft and a second connecting arm, one end of the second connecting arm is connected with the torsion member, and the other end is connected with the second rotating shaft;
  • the third shaft assembly includes a third rotating shaft and a third connecting arm, one end of the third connecting arm is connected to the second rotating shaft, and the other end is connected to the third rotating shaft;
  • a carrier arranged on the third rotating shaft, for carrying the camera
  • any one or more of the first rotating shaft, the second rotating shaft and the third rotating shaft are rotated to adjust the spatial position of the carrier;
  • the second connecting arm rotates along the torsion member, so that the second shaft assembly and the third shaft assembly are stored on the same side of the handle,
  • the second connecting arm and the third connecting arm in the stored state are both located between the torsion member and the bottom of the handle.
  • the handheld pan/tilt By setting the first axis assembly, the second axis assembly and the third axis assembly, the handheld pan/tilt has three degrees of freedom rotation, and then by setting the torsion member, the second axis assembly and the torsion member rotate relative to each other to move the handheld pan/tilt head from The use state is converted to the storage state, and the handheld pan/tilt in the storage state has a compact structure and a small volume, which is convenient for packaging and carrying.
  • Figure 1 is a schematic diagram of a three-dimensional structure of a handheld pan/tilt in use according to an embodiment
  • FIG. 2 is a schematic structural diagram of the handheld PTZ in FIG. 1 from another perspective;
  • FIG. 3 is a schematic diagram of a three-dimensional structure of the handheld pan/tilt in the storage state of an embodiment
  • FIG. 4 is a schematic structural diagram of the handheld pan/tilt in FIG. 3 from another perspective;
  • FIG. 5 is a schematic diagram of a three-dimensional structure of a handheld pan/tilt in the storage state of an embodiment
  • FIG. 6 is a schematic structural diagram of the handheld pan/tilt head of FIG. 5 from another perspective.
  • a component when a component is said to be “fixed to” another component, it can be directly on the other component or a central component may also exist. When a component is considered to be “connected” to another component, it can be directly connected to another component or there may be a centered component at the same time.
  • the traditional handheld PTZ supports only one or two degrees of freedom rotation.
  • the three-degree-of-freedom rotation can satisfy users for smoothly shooting in various usage scenarios.
  • the existing three-degree-of-freedom rotating handheld pan/tilt is large in size and not convenient for packaging and carrying.
  • the handheld pan/tilt provided by the embodiment of the present application can fold the handheld pan/tilt into a storage state on the basis of satisfying the rotation of three degrees of freedom, which reduces the volume and is convenient for packaging and carrying.
  • an embodiment of the present application provides a handheld pan/tilt head, which includes a handle 10, a first shaft assembly 20, a torsion member 25, a second shaft assembly 30, a third shaft assembly 40, and a carrier 50.
  • the handle 10 has a top 12, a bottom 13 and a side wall 11 between the top 12 and the bottom 13.
  • the handle 10 is roughly cylindrical, and the shape of the side wall 11 can be set according to ergonomics, which is convenient for hand holding.
  • the top 12 is used to connect with the first shaft assembly 20, the bottom 13 can be provided with a charging interface, and the handle 10 can be provided with a rechargeable battery, and the rechargeable battery can be charged through the charging interface.
  • the first shaft assembly 20 includes a first shaft provided on the top 12 of the handle 10 and a first connecting arm 21 connected with the first shaft. Since the first rotating shaft is located inside the top 12 of the handle 10 and the first connecting arm 21 of the first shaft assembly 20, the appearance is not visible, so it is not shown in the drawings of the specification. The subsequent second shaft and third shaft are not shown in the drawings due to the same reason, their appearance is not visible, and will not be described later.
  • the first shaft assembly 20 rotates relative to the handle 10 in a direction around the axis A of the handle 10.
  • the first rotating shaft is also called a heading motor or YAW (translation) shaft in the art.
  • YAW translation
  • the torsion member 25 is provided on the first connecting arm 21.
  • the relative rotation of the torsion member 25 and the second shaft assembly 30 can cause the handheld pan/tilt head to be converted from the use state to the storage state or from the storage state to the use state.
  • the second shaft assembly 30 includes a second rotating shaft and a second connecting arm 31.
  • the first end 32 of the second connecting arm 31 is connected to the torsion member 25, and the opposite second end 33 is connected to the second rotating shaft.
  • the second connecting arm 31 is also called a heading arm in the art, and the second rotating shaft is also called a PITCH (pitch) motor.
  • the third shaft assembly 40 includes a third rotating shaft and a third connecting arm 41.
  • the first end 42 of the third connecting arm 41 is connected to the second rotating shaft, and the opposite second end 43 is connected to the third rotating shaft.
  • the third connecting arm 41 is also called a pitch arm in the art, and the third rotating shaft is also called a ROLL motor.
  • the supporting member 50 is disposed on the third rotating shaft and used for supporting the photographing device 60.
  • the photographing device may be an integral structure with the carrier 50, such as a camera provided on the carrier 50.
  • the photographing device may also be a detachable structure from the carrier 50.
  • the photographing device in this embodiment is, for example, a smart phone, a tablet computer, a camera, and the like.
  • the carrier 50 may be directly connected to the third rotating shaft, or may be connected to the third rotating shaft through a roll arm, and the extending direction of the rolling arm is substantially the same as the extending direction of the third rotating shaft.
  • any one or more of the first rotating shaft, the second rotating shaft, and the third rotating shaft are rotated to adjust the spatial position of the carrier 50. That is to say, each rotation axis enables the handheld pan/tilt to have one degree of freedom, and three rotation axes enables the handheld pan/tilt to have three degrees of freedom.
  • the second connecting arm 31 rotates along the torsion member 25 so that the second shaft assembly 30 and the third shaft assembly 40 are stored on the same side of the handle 10. That is, the second shaft assembly 30 and the third shaft assembly 40 are both located on one side of the side wall 11 of the handle 10. In this embodiment, there is usually no case where the second shaft assembly 30 is partly located on one side of the side wall 11 and partly located on the side of the top 12. An exception is that the torsion member 25 is located in the middle of the first connecting arm 21. At this time, the portion of the first end 32 of the second connecting arm 31 will be located on the side of the top 12 of the handle 10.
  • the second connecting arm 31 and the third connecting arm 41 in the stored state are both located between the torsion member 25 and the bottom 13 of the handle 10.
  • the handheld pan/tilt has three degrees of freedom of rotation, and then by setting the torsion member 25, the second shaft assembly 30 and the torsion member 25 rotate relatively
  • the structure of the handheld gimbal in the storage state is compact, small in size, and convenient for packaging and carrying.
  • the handheld pan/tilt When the handheld pan/tilt is converted from the use state to the storage state, according to the difference in the direction of rotation of the second connecting arm 31 along the torsion member 25 and the difference between the second and third rotation axes, when the handheld pan/tilt is in the storage state, the handheld cloud
  • the table has many different forms. Several possible embodiments are described below.
  • the second connecting arm 31 rotates counterclockwise along the torsion member 25 so that the carrying member 50 is located between the third connecting arm 41 and the side wall 11 of the handle 10.
  • the axis A of the handle 10 and the midpoint of the torsion member 25 form a reference plane C
  • the extension line B of the second connecting arm 31 forms an angle with the reference plane C.
  • the angle of The range is 0°-30°.
  • the second connecting arm 31 is rotated counterclockwise by an angle greater than or equal to 150° and less than or equal to 180° with the torsion member 25 as the center, and then adjusting the second rotation axis, the carrier 50 can be positioned between the third connecting arm 41 and the handle 10. Between the side walls 11. The position of the carrier 25 in this embodiment is reasonable, so that the handheld pan/tilt can be reduced in size as much as possible.
  • the axis of the second rotating shaft is separated from the side wall 11 of the handle 10.
  • the second rotating shaft can also be rotated so that the carrier 50 is located on the side of the third connecting arm 41 facing away from the side wall 11 of the handle 10.
  • the second connecting arm 31 rotates counterclockwise by an angle greater than or equal to 150° and less than or equal to 180° with the torsion member 25 as the center, and then adjust the second rotating shaft so that the carrier 50 can be outward or inward relative to the handle 10 .
  • the second connecting arm 31 rotates clockwise along the torsion member 25, and the carrying member 50 is located at the second end 43 of the third connecting arm 41 facing away from the side wall 11 of the handle 10.
  • the extension line B of the second connecting arm 31 of this embodiment forms an angle with the reference plane C, and the angle is The range is 0°-45°. That is to say, the second connecting arm 31 rotates clockwise by greater than or equal to 135° and less than or equal to 180° with the torsion member 25 as the center, and then adjusting the second rotation axis, the carrier 50 can be positioned on the third connecting arm 41 facing away from the handle 10.
  • the handheld pan/tilt in this embodiment is also reduced in size relative to the use state. Please refer to FIG. 5 and FIG. 6, when the handheld PTZ is in the storage state, the axis of the third rotating shaft intersects the handle 10.
  • the second rotating shaft can also be rotated so that the carrier 50 is located between the third connecting arm 41 and the side wall 11 of the handle 10.
  • the second connecting arm 31 rotates clockwise at an angle greater than or equal to 135° and less than or equal to 180° with the torsion member 25 as the center, and then adjust the second rotating shaft so that the carrier 50 can be outward or inward relative to the handle 10 .
  • the carrier 25 can be integrated with a camera such as a camera, or it can be a separate design with the camera, and the camera can be detachably mounted on the carrier. In the following, an embodiment of a separate design of the carrier 25 and the photographing device 60 is introduced.
  • the carrier 50 includes a main body portion 52 and two opposite clamping portions 53.
  • the main body 52 is connected to the third rotating shaft, the two clamping portions 53 are slidably connected to opposite ends of the main body 52, and an accommodation space is formed between the two clamping portions 53. This storage space is used to install the imaging device 60.
  • the opposite surfaces of the two clamping portions 53 are provided with grooves, and the two sides of the smart phone are respectively accommodated in the grooves. Except for the grooves, the main body 53 faces away.
  • the surface of the third hinge can also be closely attached to the back of the smartphone, thereby enhancing the fixing effect of the smartphone.
  • the display 65 of the smart phone faces away from the main body 52, and the back of the smart phone is provided with a camera 61 and a flash 62, and the camera 61 and the flash 62 are located outside the accommodating space of the card holder 53, and the camera 61 is used for shooting ,
  • the flash 62 is used to fill light
  • the display screen 65 is used to display the picture taken by the camera 61.
  • the side of the smart phone is also provided with a data port 63, which is used to connect with the data interface point on the handheld PTZ, and the user can control the shooting of the smart phone by operating the buttons on the handheld PTZ.
  • An audio jack 64 is provided on one side of the data jack 63, and the audio jack 64 can be a microphone interface or a headphone interface.
  • the smart phone may also be provided with an operation button 66, and the user can adjust the spatial position of the smart phone using the handheld pan/tilt, and control the shooting of the smart phone by manually pressing the operation button 66.
  • the imaging device 60 is first detached from the holding portion 53, and then the second connecting arm 31 is rotated along the torsion portion 25.
  • the accommodating space contains a portion of the handle 10, which can further reduce the volume of the handheld pan/tilt in the stored state. Please refer to FIG. 5 and FIG. 6.
  • the accommodation space faces away from the handle 10.
  • the carrier 50 further includes a sliding rod 54, the sliding rod 54 is connected to the clamping portion 53, and the sliding rod 54 extends into the main body 52 and is slidably connected to the main body 52.
  • the sliding rod 54 slides relative to the main body 52, so that the two clamping parts 53 telescopically move relative to the main part 52, so that the distance between the two clamping parts 53 can be adjusted, so that imaging devices of different sizes can be clamped.
  • the carrier 50 further includes an extension portion 51, and the extension portion 51 is connected to the main body 52 and the third shaft. Since the main body 52 needs to provide a space for the sliding rod 54 to slide, it is difficult to meet the requirements for connection with the third shaft. Therefore, an extension part 51 is provided.
  • the extension part 51 has enough space inside the third shaft connection structure to enable the bearing 50 structure is more stable. When the length of the extension portion 51 is sufficiently long, the extension portion 51 is equivalent to the roll axis mentioned above.
  • the extension part 51 or the main part 52 is provided with a data interface 55, and the data interface 55 is used for electrical connection with the imaging device 60 held between the two holding parts 53.
  • the data interface 55 and the data socket 63 of the camera can be connected via a data cable, so as to realize the electrical connection between the handheld PTZ and the camera 60, which is convenient for using the handheld PTZ to control the camera.
  • the data interface 55 may be an existing common interface, such as a USB interface, a TYPE-C interface, an HDMI interface, etc., and the data interface 55 is electrically connected with, for example, a control chip provided in the handle 10.
  • the side wall 11 of the handle 10 is provided with an operation button 15 which is electrically connected to, for example, a control chip provided in the handle 10 for controlling the handheld
  • a control chip provided in the handle 10 for controlling the handheld
  • the spatial position of the carrier 50 when the pan/tilt is in use That is, by pressing the operation button 15, the rotation of any one or more of the first, second, and third rotation shafts can be controlled.
  • an operating portion 14 can be protrudingly provided on the side wall 11 of the handle 10, and the operating button 15 is provided on the operating portion 14.
  • the operation button 15 can also be used to control the shooting operation of the shooting device 60, that is, after the operation instruction of the operation button 15 is transmitted to the control chip, the control chip communicates with the shooting device 60 and controls the shooting device to shoot.
  • the operation button 15 can also control the hand-held pan/tilt head to switch from the use state to the storage state, that is, control the second connecting arm 31 to rotate along the torsion member 25 and the second and third rotating shafts.
  • a locking mechanism is also provided on the handheld pan/tilt, and the locking mechanism is used to lock any one or more of the first, second and third rotation shafts from rotating.
  • the specific type of the locking mechanism is not limited, as long as the purpose of restricting the rotation of a certain rotating shaft can be achieved, and a conventional connection and fixing structure can be adopted. In this way, movement in certain directions can be restricted when the handheld pan/tilt is in use, and the structure of the handheld pan/tilt is stabilized in the stowed state.
  • the first connecting arm 21 is a housing structure sleeved on the surface of the first shaft, and the torsion member 25 is provided at the end of the housing structure facing away from the handle 10 or at The outer periphery of the shell structure.
  • the housing structure rotates around the axis A of the handle 10.
  • the shape of the first connecting arm 21 corresponds to the shape of the top 12 of the handle 10, for example, both are cylindrical, so that the axis of the housing structure coincides with the axis A of the handle 10.
  • the axis of the first rotating shaft is also the axis A, and the axis A is The connection of the geometric center of the handle 10 in the axial direction makes the first connecting arm 21 rotate with its geometric center as the center of the circle when it rotates.
  • the gap at the connecting position between the first connecting arm 21 and the top 12 of the handle 10 is as small as possible, and a waterproof structure may be provided at the connecting position.
  • the torsion member 25 is provided at the end of the housing structure of the first connecting arm 21, which does not occupy the internal space of the housing structure and facilitates the installation of the first rotating shaft.
  • the torsion member 25 is provided on the outer periphery of the housing structure of the first connecting arm 21.
  • the first shaft assembly 20 further includes an extension arm 22 connected to the surface of the first connecting arm 21 facing away from the handle 10, and the torsion member 25 is provided on the extension arm 22 away from the first Connect one end of the arm 21.
  • the extension arm 22 is provided so that the torsion member 25 has sufficient space to avoid interference with the second connecting arm 31.
  • the extension arm 22 is preferably arranged at an edge position of the surface of the first connecting arm 21 facing away from the handle 10, that is, the extension arm 22 is eccentrically arranged with respect to the housing structure of the first connecting arm 21.
  • the extension arm 22 can also be arranged at the center of the surface of the first connecting arm 21 facing away from the handle 10.
  • the second connecting arm 31 is curved, and the curvature of the first end 32 connected to the torsion member 25 is greater than the curvature of the second end 33 connected to the second shaft radian.
  • the curvature of the first end 32 of the second connecting arm 31 is larger, so that the second connecting arm 31 will not interfere with the first connecting arm 21 when it rotates along the torsion member 25.
  • the first end 42 of the third connecting arm 41 and the second rotating shaft is provided with a rotating wheel (that is, the position indicated by the reference numeral 42 in FIG. 1), and the third connecting arm 41 is connected At the eccentric position of the rotating wheel.
  • the eccentric position where the third connecting arm 41 is connected to the rotating wheel is set, so that when the second rotating shaft rotates, the carrier 50 can generate a pitching motion relative to the handle 10.
  • the third connecting arm 41 may extend substantially in a straight line, and the extending direction has an included angle with the axial direction of the second rotating shaft and is not parallel, so that the carrier 50 can have a greater pitching movement.
  • the axial extension directions of the first shaft, the second shaft, and the third shaft are different.
  • the first shaft, the second shaft, and the third shaft can all be motor structures. It includes a stator and a rotor, and the stator and the rotor of each rotating shaft are respectively connected with two structures that generate relative rotation.
  • the first rotating shaft includes a first motor, the stator of the first motor is connected to the top 12 of the handle 10, and the rotor is connected to the first connecting arm 21; or the rotor of the first motor is connected to the top 12 of the handle 10, and the stator is connected to The first connecting arm 21 is connected.
  • the positions of the stator and the rotor are interchangeable.
  • the second rotating shaft includes a second motor, the stator of the second motor is connected to the second end 33 of the second connecting arm 31, and the rotor is connected to the first end 42 of the third connecting arm 41.
  • the third rotating shaft includes a third motor, the stator of the third motor is connected to the second end 43 of the third connecting arm 41, and the rotor is connected to the carrier 50.
  • the torsion member 25 is provided with a fourth rotating shaft, the second connecting arm 31 is connected to the fourth rotating shaft, and the axial direction of the fourth rotating shaft is orthogonal to the axial direction of the handle 10.
  • the torsion member 25 is similar to the first connecting arm 21 and includes a shell structure and a fourth rotating shaft.
  • the shell structure is connected to the extension arm 22 and the shell structure surrounds the outer surface of the fourth rotating shaft.
  • the fourth rotating shaft may be a fourth motor, the stator is connected to the housing structure of the torsion member 25, and the rotor is connected to the first end 32 of the second connecting arm 31.
  • the rotation of the fourth shaft can also be controlled by the operation button 15 of the handle 10.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Accessories Of Cameras (AREA)

Abstract

La présente invention concerne un cardan portatif comprenant une poignée (10), un premier ensemble arbre (20), un élément de torsion (25), un deuxième ensemble arbre (30), un troisième ensemble arbre (4) et un élément de palier (50). Le premier ensemble arbre (20) comprend un premier arbre rotatif disposé sur la partie supérieure de la poignée (10) et un premier bras de raccordement (21) raccordé au premier arbre rotatif. L'élément de torsion (25) est disposé sur le premier bras de raccordement (21). Le deuxième ensemble arbre (30) comprend un deuxième arbre rotatif et un deuxième bras de raccordement (31). Une extrémité du deuxième bras de raccordement (31) est raccordée à l'élément de torsion (25) et l'autre extrémité est raccordée au deuxième arbre rotatif. Le troisième ensemble arbre (40) comprend un troisième arbre rotatif et un troisième bras de raccordement (41). Une extrémité du troisième bras de raccordement (41) est raccordée au deuxième arbre rotatif et l'autre extrémité est raccordée au troisième arbre rotatif. Lorsque le cardan portatif est commuté d'un état d'utilisation à un état de stockage, le deuxième bras de raccordement (31) tourne le long de l'élément de torsion (25), de sorte que le deuxième ensemble arbre (30) et le troisième ensemble arbre (40) sont stockés sur le même côté de la poignée (10), et le deuxième bras de raccordement (31) et le troisième bras de raccordement (41) dans l'état de stockage sont tous deux situés entre l'élément de torsion (25) et le fond de la poignée (10). En fournissant le premier ensemble arbre (20), le deuxième ensemble arbre (30) et le troisième ensemble arbre (40), le cardan portatif présente trois degrés de liberté de rotation, et en fournissant en outre l'élément de torsion (25), le deuxième ensemble arbre (30) tourne par rapport à l'élément de torsion (25) pour commuter le cardan portatif de l'état d'utilisation à l'état de stockage ; en outre, le cardan portatif dans l'état de stockage présente une structure compacte et un faible volume et est pratique à emballer et transporter.
PCT/CN2019/100361 2019-08-13 2019-08-13 Cardan portatif WO2021026762A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980007807.9A CN111699339B (zh) 2019-08-13 2019-08-13 手持云台
PCT/CN2019/100361 WO2021026762A1 (fr) 2019-08-13 2019-08-13 Cardan portatif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/100361 WO2021026762A1 (fr) 2019-08-13 2019-08-13 Cardan portatif

Publications (1)

Publication Number Publication Date
WO2021026762A1 true WO2021026762A1 (fr) 2021-02-18

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PCT/CN2019/100361 WO2021026762A1 (fr) 2019-08-13 2019-08-13 Cardan portatif

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CN (1) CN111699339B (fr)
WO (1) WO2021026762A1 (fr)

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